print "hello"

4 + 5

3.5 + 'e'

a = [1,2,3,4,5]
a[0]

a[0] + a[1]

range(5)

a = [0, 1]
for i in range(20):
    a += [ a[-1] + a[-2] ]

print a 

range(20)

[a[i+1]/a[i+2]  for i in range(20)]

[a[i+1]/float(a[i+2])  for i in range(20)]

0 in a

0.5 in a

b = [a, 2, 3] * 3

b

a[0] = 1
a

b

len(a)

max(a), min(a)

type(a), type(a[0])

dir(a)

a.append(3)
a[-1]

def func(e):
    return e

a.append(func)
a

a[-1](10), a[-1]('hello')

a.count(1)

a.reverse()
a[2:]

a.sort()
a

a.index(3)

a.count(3)

a[2:-5]

a[2::2] # Third number in slice is element jump (useful for deinterleaving!)

name = 'andres'
surname = "cabrera"
name + ' ' + surname

_.capitalize()

__.title()

___.upper()

fullname = __

fullname.count('A'), fullname.isalpha(), fullname.startswith('A')

fullname.title().split()

' '.join([name, surname])

fullname.replace('A', 'a')

fullname

fullname = ("%s %s"%(name, surname)).title()
print fullname

'90'.zfill(4)

'90'.center(4)

(1 + 1) == 3

e = 3 == 4

not e

d = {'name': 'andres', 'surname': 'cabrera'}
fullname = "%s %s"%(d['name'], d['surname'])
fullname.title()

d = { 1: 'hello'}

def myadd(first, second):
    return first + second

myadd(3,4)

myadd('a', 'b')

myadd(3, 'a')

a = [0, 1]
for i in range(20):
    a += [ a[-1] + a[-2] ]

a = [0, 1]
while a[-1] < 1000:
    a.append(a[-1] + a[-2])
a

d = {'name': 'andres', 'surname': 'cabrera'}
for key in d:
    print "%s:%s"%(key, d[key])

for char in name:
    print char,

str?

name.center?

help(str)

import glob

glob.glob("*")

glob.glob("/home/andres/Music/*")

glob.glob("/home/andres/Music/*/*/*")

glob.glob("/home/andres/Music/*/*/*.flac")

from random import random
random()

from os import chdir

chdir("/home/andres/Music")

from os import *
listdir('.')

f = open('/home/andres/Desktop/IO_Test.csd', 'r')

open

help(open)

del open # yes! Importing a whole module to the global namespace can be bad!!

open

f = open('/home/andres/Desktop/IO_Test.csd', 'r')

lines = f.readlines()

lines[:10]

f.close()

f = open('/home/andres/Desktop/test.txt','w')

f.write(fullname)

f.close()

f = open('/home/andres/Desktop/test.txt', 'r')
f.read()

linspace(0, 1, 10)

linspace(0,1, 10, endpoint=False)

ones(10)

ones([2,2])

arange(10)

def f(x,y):
    return 10 * x + y

fromfunction(f, (5, 4), dtype= int)

arr = fromfunction(f, (5, 4), dtype= int)

arr * 2

arr

arr * [3,4,5,6]

dot(arr, [3,4,5,6])

dot(arr, arr.T)

c_[arr, [2,3,4,5,6]]

r_[arr, arr*2]

r_[arr, [2,3,4,5]]

np.array([2,3,4,5,6])

r_[arr, np.array([2,3,4,5,6])]

np.array([2,3,4,5,6], ndmin = 2)

np.array([2,3,4,5,6], ndmin = 2).T

r_[arr, np.array([2,3,4,5], ndmin = 2)]

arr.shape

arr.ndim

arr.dtype

arr.size

sin(arr)

sum(arr)

mean(arr), median(arr), arr.max(), arr.min()

for row in arr:
    print row

for element in arr.flat:
    print element,

c = arr.view()
c

c is arr

c.base is arr

c.flags.owndata

c.shape = [2, 10]
c

arr

c[0,4] = 99
c, arr

d = arr.copy()
d[:] = 10
d

arr

plot(a)